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【多选题】
在AutoCAD中退出命令的方法有以下哪几种?A.
命令输入完之后按回车键
B.
命令输入完之后按空格键
C.
命令输入完之后按Esc键
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反馈参考答案：
举一反三
【单选题】In the small brochure, you can see the latest models of sneakers of different famous brands, _______ from 600 to 2,000 dollars. [ ]
A.
whose price ranges
B.
their prices range
C.
with prices ranging
D.
their prices to range
【单选题】______ makes this small restaurant different is that it offers three free cups of beer to its customers every Sunday morning．
A.
Who
B.
What
C.
Whoever
D.
Whatever
【单选题】Tom is tall and thin. Peter is small but fat. They are very ________. A. the same B. different C. the different
A.
the same
B.
different
C.
the different
【单选题】Trojan Horses( ) .
A.
quickly replicate itself and gradually attach to files, programs or the hard drive.
B.
infect the computer without even having to click open email attachment or any program.
C.
allow hackers to take control over a particular system or to steal very important data.
D.
avoid the virus to attack computer.
【单选题】We are all of the risks to personal information on computer databases by hacking and Trojan horses.
A.
afraid
B.
fond
C.
agree
D.
aware
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